What’s Vulnerable › Vulnerabilities

CVE-2025-9781: TOTOLINK A702R formFilter sub_4162DC buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-01 · updated 2026-09-26
• Weakness: CWE-119

Description

A vulnerability has been found in TOTOLINK A702R 4.0.0-B20211108.1423. This affects the function sub_4162DC of the file /boafrm/formFilter. Such manipulation of the argument ip6addr leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• TOTOLINK A702R: 4.0.0-b20211108.1423

References

• https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formFilter/formFilter.md
• https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formFilter/formFilter.md#poc
• https://vuldb.com/?ctiid.322083
• https://vuldb.com/?id.322083
• https://vuldb.com/?submit.640989
• https://www.totolink.net/

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